At questacom there was a 7.6 meter slide. When you wanted to go on it you had to take wallets out of your pocket and you had to take your shoes off. Then you would have to put a pair of overalls on. When you went up the stairs you would sit on a plank then just hang when the man up the top told you to. When he told you to let go you had to it was the best.
Also at
Also at